<template>
  <div class="wrapper" ref="wrapper">
    <div class="content">
      <slot></slot>
    </div>
  </div>
</template>

<script>
import BScroll from 'better-scroll'

export default {
  name:'Scroll',
  props:{
    probeType:{
    type:Number,
    default:0
  },
    pullUpLoad:{
      type:Boolean,
      default:false
    }
  },
  data(){
    return{
      scroll:null
    }
  },
  mounted(){
      this.scroll = new BScroll(this.$refs.wrapper,{
        click:true,
        mouseWheel: true,
        observeDOM:true,
        probeType:this.probeType,
        pullUpLoad:this.pullUpLoad
        // probeType属性参数为0、1时都不滚动，2是手指滚动，3是只要是滚动

    })
      this.scroll.on('scroll',(position) => {
       
        this.$emit('scroll', position)
      
      })

      console.log(this.scroll);
    
     if(this.pullUpLoad){
       this.scroll.on('pullingUp', () => {
         this.$emit('pullingUp')
       })
     }
  },
  methods:{
    scrollTo(x, y, time=300){
      this.scroll && this.scroll.scrollTo(x,y,time)
    },
    finishPullup(){
      this.scroll.finishPullup()
    },
    refresh(){

      this.scroll && this.scroll.refresh()
    },
    finishPullUp(){
      this.scroll && this.scroll.finishPullUp()
    },
    getScrollY(){
      return this.scroll ? this.scroll.y : 0
    }
  }
}
</script>

<style scoped>

</style>